I 1864x450x12.7x31.8 IMCA · Weight & Dimensions

IMCA, welded sections · Wide Flange (I-beam)

Wide flange beams (W shapes / I-beams) are the most common structural steel profile used in building construction. They are used for beams, columns, and girders in steel-framed buildings and bridges. Designed per AISC 360, Eurocode 3, and NBR 8800.

Also known as: I 1864x450x12.7x31.8 (México) · Doble T I 1864x450x12.7x31.8 (Argentina / LATAM) · UB 1864 (UK / Australia)

The I 1864x450x12.7x31.8 steel profile weighs 404.1 kg/m (271.57 lb/ft), has a depth of 1864 mm (73.39 in), flange width 450 mm (17.72 in). Cross-sectional area: 51,485.08 mm². Moment of inertia Ix = 3,019,775.371 cm⁴, Iy = 48,326.983 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	1864 mm	73.39 in
Width (b)	450 mm	17.72 in
Web thickness (tw)	12.7 mm	0.50 in
Flange thickness (tf)	31.8 mm	1.25 in
Weight	404.1 kg/m	271.57 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	51,485.08 mm²	79.802 in²
Moment of inertia (Ix)	3,019,775.37 cm⁴	72550.10 in⁴
Moment of inertia (Iy)	48,326.98 cm⁴	1161.06 in⁴
Elastic section modulus (Sx)	32,401.02 cm³	1977.240 in³
Elastic section modulus (Sy)	2,147.87 cm³	131.071 in³
Plastic section modulus (Zx)	36,510.35 cm³	2228.008 in³
Plastic section modulus (Zy)	3,292.35 cm³	200.912 in³
Radius of gyration (rx)	76.59 cm	30.152 in
Radius of gyration (ry)	9.69 cm	3.814 in